Margaux Ann Weller, FNP-BC
Family Nurse Practitioner · Saint Charles, MO
Margaux Ann Weller, FNP-BC is a family nurse practitioner with a practice address in Saint Charles, Missouri, and NPI 1083153589, issued on Feb 16, 2017. Check the license (Missouri 2011019986, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Margaux Ann Weller
- Credential
- FNP-BC
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 2011019986 MO
Self-reported in NPPES; status is on the state search - Practice location
- 300 1St Capitol Dr, Saint Charles, MO 63301
- Phone
- (636) 947-5000
- Enumerated
- Feb 16, 2017
- Record last updated
- Nov 10, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170316000580); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 5,226 in Missouri → Look up another NPI →
Also registered at 300 1St Capitol Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ellen Atwood, PA-CPhysician Assistant1487104303
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Verify Margaux Ann Weller in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license 2011019986Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average family nurse practitioner in 2024
13 Medicare Part D claims, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $45.91
2 payments; by number, the most common kind was food and beverage; the largest payer was Kerecis Limited. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Ssm Medical Group IncSaint Charles, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Margaux Ann Weller among 5,226 family nurse practitioner records in Missouri
Margaux Ann Weller, FNP-BC is one of 5,226 family nurse practitioner records with a practice address in Missouri. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 46% of them.
- NPI issued2017 · 46% of these records are older, 47% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2014 · median 2018 among the 3,339 with a school on file
- Record last updated2020 · 44% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
45 family nurse practitioner records list a practice address in Saint Charles
They are 45 of the 1,547 NPPES records with a practice address in Saint Charles, and 5,226 family nurse practitioner records in Missouri.
All 5,226 in Missouri → Every provider in Saint Charles → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Michele Allen, NPSaint Charles, MO 633011780846345
- Kimberly Cockrell, NPSaint Charles, MO 633011649648890
- Christina Gaut, FNPSaint Charles, MO 633011063091387
- Alison Kuhn, DNP, APRN, FNP-BCSaint Charles, MO 633011497281166
- Alexandra Lucas, NP-CSaint Charles, MO 633011699211748
- Angela McDonnell, FNP-BCSaint Charles, MO 633011952813958
- Bethany Nunn, FNPSaint Charles, MO 633011417301672
- Katie PillaSaint Charles, MO 633011780576892
Common questions
What is Margaux Ann Weller, FNP-BC's NPI number?
Margaux Ann Weller, FNP-BC's National Provider Identifier (NPI) is 1083153589, issued on Feb 16, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Margaux Ann Weller, FNP-BC located?
The NPPES record lists a practice address at 300 1St Capitol Dr, Saint Charles, MO, 63301. Phone: (636) 947-5000. Providers update this record themselves, so call before visiting.
How can I verify Margaux Ann Weller, FNP-BC's license?
NPPES lists Missouri license number 2011019986, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
How much does Margaux Ann Weller, FNP-BC prescribe under Medicare Part D?
In 2024, Margaux Ann Weller, FNP-BC had 13 Medicare Part D claims; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.